
#content, #content-index, #footer{
	position: relative;
	width: 85%;
	background: yellow;
	margin: 20px 10%;
	font-size: 22px;
	
}

#content{
	background: blue;
}

.zhishiku-ul { 
	margin: 0px; 
	margin-bottom: 10px; 
	padding: 0px;
	background:red;
}

.zhishiku-li{ 
	float: left; 
	margin-right: 10px; 
	margin-top: 10px;
	list-style: none;
	font-size: 16px;
}




